<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        const arr = [
            { label: '男', value: 0 },
            { label: '女', value: 1 }
        ]
        arr.map(item => {
            console.log(item);
        })
        //   转成 obj ===> { 0: '男', 1: '女' }
        // let obj = {}
        // arr.map(item => {
        //     obj[item.value] = item.label
        // })
        // console.log(obj)
    </script>
</body>

</html>